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  1. Core Server
  2. SERVER-33143

Hold MODE_IX locks for readConcern level snapshot reads

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    Details

    • Type: Task
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.7.2
    • Component/s: Storage
    • Labels:
      None
    • Backwards Compatibility:
      Minor Change
    • Sprint:
      Storage 2018-02-12
    • Linked BF Score:
      0

      Description

      MODE_IX locks are required for reads performed as part of multi-statement transactions. Add MODE_IX locking for all snapshot reads to accommodate.

      We will later refine single-statement snapshot reads to use 2-phase MODE_IS locks under SERVER-33004.

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              Assignee:
              james.wahlin James Wahlin
              Reporter:
              james.wahlin James Wahlin
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                Updated:
                Resolved: